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Preamble Design for Effective Multi-Channel Estimation in WiMedia UWB Systems
Jee-Hoon KIM Hyoung-Kyu SONG
IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
CAZAC sequence, WiMedia UWB, multi-channel estimation, MSE,
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In this letter, we propose an effective preamble based on constant amplitude and zero auto-correlation (CAZAC) sequence for multi-input multi-output (MIMO) and cooperative WiMedia ultra-wideband (UWB) systems. The proposed preamble even provides better single-channel estimation performance than the preamble specified in the standard in severe UWB channel model. The effectiveness of the proposed design is confirmed through the mean square error (MSE) performance.